The consensus here, as far as I can tell, seems to be that they won't ever open up any form of BTC or fiat withdrawals? All fiat deposited at Gox now will probably be used to pay Mark's legal bills?
That's why I've been arguing for putting Mt. Gox into involuntary bankruptcy in Japan. Someone in the legal forum is gearing up to do that.
Once that happens, a court-appointed receiver takes over control of all assets. Then, with full access to all Mt. Gox records, there's more hope of finding the "missing" Bitcoins. They're somewhere. With the FBI, the Tokyo Metropolitan Police, the Chief Cabinet Secretary of Japan, and the U.S. Attorney for the Southern District of New York all asking questions, they might well be recovered.
It took a while, but over half of what Madoff stole has been recovered.